640325272

素因数分解:

$2^3\times {\mathrm{1327}}^1\times {\mathrm{60317}}^1$

素因数の和:61650

約数の個数: 16

約数和(自身を含む): 1201534560

約数和(自身を除く): 561209288

約数列:

[1, 2, 4, 8, 1327, 2654, 5308, 10616, 60317, 120634, 241268, 482536, 80040659, 160081318, 320162636, 640325272]

約数ペア:

[(1, 640325272), (2, 320162636), (4, 160081318), (8, 80040659), (1327, 482536), (2654, 241268), (5308, 120634), (10616, 60317)]